RIYADH: In a high-end restaurant, polished glasses sit atop a sleekly designed wooden table surrounded by lush green plants. On the table are spreads of artfully presented Greek specialties: tzatziki, Santorini salad, eggplant dip and beef gyros tacos. At first glance, a diner might think they were in the Greek isles, or at least an upscale Mediterranean restaurant in London